41 results about "Zelkova schneideriana" patented technology

The invention discloses a cultivation method of good-quality zelkova schneideriana seedlings and belongs to the technical field of plant cultivation. The method comprises the steps of (1) harvesting seeds, (2) treating and storage seeds, (3) selecting a land for tree nursery, (4), preparing and pretreating the land for tree nursery, (5) pretreating the seeds before sowing, (6) sowing the seeds, (7) managing at a seed bud stage, (8) managing at a seedling stage, (9) preventing and treating diseases and insect pests, and (10) outplanting and managing the seedlings. The cultivation method of good-quality zelkova schneideriana seedlings is scientific, systematic, comprehensive, and easy to implement; detailed operation method description is given from the harvesting of seeds to the outplanting and management of the grown seedlings, and therefore, the seeds are high in bud ratio and survival rate and the seedlings cultivated grow well, tidily and robustly with good quality and thus are suitable for high yield and afforestation; besides, high economic benefit is achieved.

The invention discloses a novel rural sewage flocculent precipitate sterilizing agent which comprises two flocculation packages, wherein the flocculation package A mainly comprises the following components by weight percent: 40 percent of zelkova schneideriana leaf meridian fiber, 10 percent of zelkova schneideriana leaf extract, 10 percent of sterile chlamydomonas, 0.1 percent of chitosan and 29 percent of 30-mesh iron powder of which the ferrous sulfate content is 50 percent, and the components are uniformly mixed and stirred and are packaged into a bag; and the flocculation package B mainly comprises the components by weight percent: 2 percent of calcium hypochlorite and 98 percent of 10-mesh activated carbon (columnar activated bamboo charcoal) which are added into a feeding device. According to the sewage flocculent precipitate sterilizing agent, the amount of chlorine-containing sterilizing agent can be obviously reduced or the sterilizing effect of the chlorine-containing sterilizing agent is improved. The sterilizing agent is adjusted according to the effluent pH value of a secondary sedimentation tank, the amount of the chlorine-containing sterilizing agent can be reduced or the sterilizing efficiency of the system can be improved, the effluent microbes are less than or equal to 104 per liter, and the emission standard is reached.

The invention belongs to the technical field of plant propagation, in particular to a cutting propagation method of strengthening antipollution factor zelkova schneideriana. Branches of the zelkova schneideriana with the tree age of 2 to 3 are utilized as spike strips, cuts are disinfected by alcohol, flushed by deionized water, soaked by a nano-silver titanium solution for 5-10 minutes, flushed by the deionized water again and reserved for use after moisture is sucked. Branches after treatment is cut to be stem sections, the stem sections are planted into a culture medium for culturing for 25 to 30 days, and multiple shoots are obtained. Big and robust shoots are transferred to a root culture media, and culture seedlings are obtained. The culture seedlings are arranged in a greenhouse for 5 to 7 days, the seedlings are cleaned, cultured and transplanted into humus, the culture seedlings with good growth conditions are screened out for secondary-generation culture and continuous optimizing, and seedlings comes out in a third generation. Rooting percentage of the zelkova schneideriana in cutting propagation is improved, rapid expanding propagation of fine breeds of the zelkova schneideriana is promoted, and resistance of the seedlings of the zelkova schneideriana is effectively improved.

The invention discloses an afforestation method based on fast growing and high yield of zelkova schneideriana. The afforestation method based on fast growing and high yield of the zelkova schneideriana comprises the following steps that (1) a planted land is selected; (2) the time for planting is selected; (3) zelkova schneideriana seedlings are selected; (4) the density of plantation is selected, wherein for one-year seedlings, the initial density ranges from 166 seedlings per mu to 111 seedlings per mu with the line spacing between the seedlings ranging from 2 m*2 m to 2 m*3 m, and the reserve density ranges from 83 seedlings per mu to 55 seedlings per mu with the line spacing between the seedlings ranges from 2 m*4 m to 4 m*s m; for two-year seedlings, the initial density is 111 seedlings per mu with the line spacing between the seedlings being 2 m *3 m, and the reserve density is 55 seedlings per mu with the line spacing between the seedlings being 4 m *3 m; (5) afforestation is conducted according to a method, wherein a plantation is conducted according to the hole planting method, the planting depths for the one-year seedlings are 2 cm-5 cm lager than those of ground diameter original soil marks of the seedlings, the specification of each plantation hole is 0.5*0.5*0.6; when the two-year seedlings are planted, the plantation holes are filed with surface soil and then are filled with growing soil, and soil covering is conducted layer by layer, all layers of soil are compacted, fixation is achieved through supporting rods, and specification of each plantation hole is 0.8*0.8*0.8; (6) cultivation and management are conducted, wherein the cultivation and management process comprises the steps of (a) branch trimming and trunk cultivation, (b) thickening through longitudinal damage, (c) intertillage and weeding, (d) water and fertilizer management, (e) insect control and (f) interplanting and breeding below seedlings.

The invention discloses a biological granular fuel. The biological granular fuel is characterized by containing the following substances in parts by weight: 33-46 parts of rice straw powder, 40-55 parts of corn stalk powder, 5-10 parts of birch limb, 5-10 parts of locust tree limb, 5-10 parts of zelkova schneideriana limb, 5-10 parts of mangrove limb, 5-10 parts of oak limb, 5-10 parts of willow limb, 20-30 parts of anthracite, 25-30 parts of coal slurry, 15-25 parts of animal oil and fat, 5-15 parts of food waste, 9-16 parts of sunflower stalk powder, 20-30 parts of rice hull powder, 10-15 parts of chicken manure and 5-10 parts of grass charcoal. The biological granular fuel has the advantages that the calorific value is high, the unit calorific value can reach 5,000 kilocalories, the burning point is greatly lowered, the air permeability is good, the heat energy utilization ratio is high, and the burning time can be prolonged to be longer than 3 hours from the average 1.5 hours of pure biomass fuels.

The invention discloses a brewing technology of zelkova schneideriana flower-pyrus calleryana leaf tea wine. By taking zelkova schneideriana flowers and pyrus calleryana leaves as raw materials, the zelkova schneideriana flower-pyrus calleryana leaf tea wine is brewed by the steps of preparing the raw materials, decocting, performing enzymolysis, performing enzyme deactivation and separation, crushing, performing matrix pretreatment, dosing, fermentating, squeezing, aging, filling, sterilizing and the like. The zelkova schneideriana flower-pyrus calleryana leaf tea wine takes the zelkova schneideriana flowers and the pyrus calleryana leaves which are wide in source, green and pollution-free as the raw materials, so that waste of the zelkova schneideriana flowers and the pyrus calleryana leaves is reduced, the cost is reduced, and nutrients of the finished wine are enriched; the zelkova schneideriana flowers and the pyrus calleryana leaves are dewatered by using microwave, so that astringent taste of the zelkova schneideriana flowers and the pyrus calleryana leaves can be removed and destruction of the nutrients in the raw materials is reduced; through composite enzyme treatment, active components in the raw materials can be fully separated out, so that the utilization efficiency of the zelkova schneideriana flowers and the pyrus calleryana leaves is improved and economic values and nutritional values of the zelkova schneideriana flowers and the pyrus calleryana leaves are improved; the finished zelkova schneideriana flower-pyrus calleryana leaf tea wine has the effects of clearing away heat and toxic materials, stopping dysentery, expelling flatulence, moistening lung to arrest cough and the like.

The invention discloses a method for cultivating zelkova schneideriana seedlings through cuttage, and relates to the technical field of zelkova schneideriana seedling cultivating and planting management. The method is characterized by comprising the following steps that during the cuttage period, cutting slips are selected, wherein branch sections located on the lower middle portions of branches growing for one to two years are selected as the cutting slips, and the thicknesses of the branch sections rang from 0.7 cm to 1 cm, and according to the cut length, the branches which respectively have three or more knots are selected; the mixture of yellow subsoil and sand serves as a cuttage medium, wherein the yellow subsoil is red earth where limestone grows, the pH value of the yellow subsoil ranges from four to six, and the mixture is smashed and screened; cuttage is carried out, and the cutting slings are watered thoroughly, wherein the bundled cutting slips are immersed through ABT 6 rooting powder with the immersed depth of 2 cm for five hours, the concentration of the ABT 6 rooting powder ranges from 200 mg / L to 300 mg / L, the cutting slings are inserted into a nutrition bag after being immersed, the inserting depth is one third of the length of the cutting slings; management is carried out, wherein the cuttage seedlings with the same specification are cultivated, the inserted seedlings are watered one time every other month and are regularly sprayed by carbendazim solutions with the concentration of 0.125 percent . By means of the method, the seedling cultivating period is short, the rooting rate is high, root systems are developed well, the survival rate is high, managing is convenient, lands are saved, and increase of the economic benefits of zelkova schneideriana seedling is facilitated.

The invention discloses a large zelkova schneideriana seedling cultivation method. The method includes steps: (1) nursery land selection; (2) land preparation and bedding; (3) soil disinfection; (4) base fertilizer applying; (5) transplanting seedling selection; (6) transplanting time selection; (7) transplanting; (8) density adjustment; (9) transplanting root cultivation; (10) stem form cultivation; (11) pruning; (12) water and fertilizer management; (13) intertillage and weeding; (14) pest control; (15) outputting. According to the method, large landscaping zelkova schneideriana seedlings which are larger than 5cm in diameter at breast height, straight thoroughly, round completely, well developed in root system, robust and flourishing in growth are cultivated. In a large seedling cultivation process, by initial-density continuous pruning, transplanting, adjusting, operating and management, large landscaping zelkova schneideriana seedlings in different sizes are cultivated batch by batch and stage by stage to meet zelkova schneideriana fast-growing high-yield plantation and urban landscaping requirements, woodland productivity and output capacity are increased, and economical, social and ecological benefits are achieved.

The invention discloses planting soil for improving the photosynthesis of seedlings and application of the planting soil in the cultivation of zelkova schneideriana seedlings. The planting soil comprises a soil matrix and ectomycorrhizal bacterial fertilizer, wherein the pH and effective components of the soil matrix are specially adjusted to control the water and fertilizer conditions at an appropriate level, so that the soil matrix is matched with the ectomycorrhizal bacterial fertilizer, thereby providing the most suitable growth environment for the seedlings; the ectomycorrhizal bacterialfertilizer is prepared from lactarius deliciosus, pisolithus tinctorius and suillus luteus with a volume ratio of 1:(1-3):(1-3).According to the invention, ectomycorrhizae and plant roots form a mycorrhizal structure; the root absorption area of host plants is increased and the water and nutrient absorption of the zelkova schneideriana seedlings is improved; the photosynthesis of plant leaves canbe greatly increased; growth is promoted; the production benefit of the seedlings is enhanced; technical support and theoretical basis are provided for the cultivation and promotion of the precious species zelkova schneideriana.

The invention discloses a rapid propagation method of tissue culture for zelkova schneideriana hand.-Mazz. According to the method, selecting stem segments with buds as explants, and appropriate culture mediums for each stage for the tissue culture, a large number of nursery stocks, which maintain the qualified characteristics of a mother stock, can be obtained; and the genotype and all the qualified characteristics of an original plant can be 100% maintained, thereby greatly improving the propagation coefficient.

The invention discloses a cutting propagation method for zelkova schneideriana. The cutting propagation method comprises the following steps: A, selecting a soil matrix; B, taking specified branches as cutting slips to treat and root in a rooting solution; C, cutting rooted branches at specified cutting time, temperature and humidity. According to the method provided by the invention, a rooting rate of the zelkova schneideriana can be greatly improved, and further rapid diffusion and reproduction of fine zelkova schneideriana breed are realized.

The invention discloses a method for planting and maintaining zelkova schneideriana. The line spacing is controlled within (3-4m) * (4-5m) when the zelkova schneideriana is cultivated, when the zelkova schneideriana grows for 4-6 years, ryegrass is grown between lines and poultry are bred outside cages, and 90-120 poultry are kept per mu. A unique ecological system is formed by the adoption of the zelkova schneideriana, ryegrass and poultry compound planting and breeding mode, fertilizers are saved, environmental pollution is avoided, the good multidirectional environment is provided for the growth of the zelkova schneideriana, therefore, the increment the diameter of the zelkova schneideriana is improved, high growth amount is achieved, economic benefits are remarkably improved, and resources are reasonably and effectively utilized.

The utility model relates to a method for seedling growing by zelkova schneideriana twig plug cutting under the condition of full-light fog. The method comprises the following four steps: cutting preparation, cutting treatment, cutting, and cutting management and transplantation. Through studying the ear picking time, the ear picking position, the ear length, the ear diameter, the leaf number, a cutting mode, the matrix ratio, hormone species, the treatment time and other factors suitable for zelkova schneideriana twig plug cutting under the condition of full-light fog culture, a technical method which is efficient in ear utilization, large in quantity of annual seedlings produced, high in quality, high in transplanting survival rate and suitable for large-scale production management of zelkova schneideriana improved varieties is established.

The invention relates to a preparation method for a medicine for treating chronic cough of children. The method comprises the following steps: taking 6 g of dryopteris championii, 9 g of eucommia ulmoides, 3 g of ziziphora clinopodioides lam, 8 g of myrrh, 9 g of chrysanthemum, 6 g of abelmosk, 3 g of ampelopsis brevipedunculat, 5 g of bighead atractylodes rhizome, 2 g of papilionaceae eriosema, 9 g of mung bean, 3 g of oreocnide frutescens, 5 g of baphicacanthus cusia bremek, 2 g of waxberry, 2 g of zelkova schneideriana barks, 6 g of peach blossom, 3 g of thunbergia fragrans and 2 g of Jasminum subhumile, adding 8000 ml of water, heating for 5 hours at 90 DEG C in a flask provided with a condensing tube, filtering, and collecting the filtrate. The ingredients of the medicine for treating chronic cough of children disclosed by the invention are all natural materials and are high in safety, clear in curative effect, and suitable for being clinically popularized in a large scale.

The invention discloses a kitchen waste and crop straw composite biomass fuel which is characterized by comprising the following substances in parts by weight: 20-35 parts of barley straw powder, 30-45 parts of broad bean straw powder, 55-60 parts of wheat straw powder, 30-40 parts of peanut straw powder, 9-13 parts of sabina chinensis branches and trunks, 10-16 parts of white bark pine branches and trunks, 5-10 parts of zelkova schneideriana branches and trunks, 5-10 parts of castanopsis fargesii branches and trunks, 5-10 parts of oak tree branches and trunks, 5-10 parts of willow branches and trunks, 20-30 parts of anthracite, 25-30 parts of coal slime, 15-25 parts of animal oil and fat, 5-15 parts of food wastes, 9-16 parts of cinnamomum camphora chips, 8-13 parts of quercus mongolica chips, 10-15 parts of euonymus japonicus chips, 11-13 parts of eastern larch chips and 4-7 parts of bauhinia variegata chips. According to the kitchen waste and crop straw composite biomass fuel, agricultural wastes are deeply processed to be converted into a high-grade energy source, so that the kitchen waste and crop straw composite biomass fuel is not easy to loose and suitable for being stored for a long term; the kitchen waste and crop straw composite biomass fuel is prepared from pure natural plants, and no chemical products are added, so that the kitchen waste and crop straw composite biomass fuel is relatively environment-friendly; and the kitchen waste and crop straw composite biomass fuel has important significance for effectively treating pollution caused by straw combustion.

The invention relates to a preparation method for a medicine for treating chronic cough of children. The method comprises the following steps: taking 6 g of dryopteris championii, 9 g of eucommia ulmoides, 3 g of ziziphora clinopodioides lam, 8 g of myrrh, 9 g of chrysanthemum, 6 g of abelmosk, 3 g of ampelopsis brevipedunculat, 5 g of bighead atractylodes rhizome, 2 g of papilionaceae eriosema, 9 g of mung bean, 3 g of oreocnide frutescens, 5 g of baphicacanthus cusia bremek, 2 g of waxberry, 2 g of zelkova schneideriana barks, 6 g of peach blossom, 3 g of thunbergia fragrans and 2 g of Jasminum subhumile, adding 8000 ml of water, heating for 5 hours at 90 DEG C in a flask provided with a condensing tube, filtering, and collecting the filtrate. The ingredients of the medicine for treating chronic cough of children disclosed by the invention are all natural materials and are high in safety, clear in curative effect, and suitable for being clinically popularized in a large scale.

The invention discloses a prevention and treatment agent and method for root rot of zelkova schneideriana, and belongs to the field of plant protection. The prevention and treatment agent is preparedfrom the following components in parts by weight: 13-18 parts of streptomyces microflavus CICC 23627 fermentation broth, 12-15 parts of Kangdeleide, 5-8 parts of citral bactericide and 3-6 parts of carbendazim bactericide. The method for preventing and treating root rot of zelkova schneideriana by using the agent comprises the following steps: (1) annularly ditching within the radius range of 0.8-1.5 m of the trunk of zelkova schneideriana with a ditching width of 60-100 cm and a ditching depth of 40-50 m; 2) irrigating the annular ditch with the prevention and treatment agent, wherein 1000-1500 mL of the prevention and treatment agent is irrigated to each zelkova schneideriana for root irrigation treatment; and 3) after root irrigation is completed, carrying out soil filling treatment onthe annular ditch. According to the prevention and treatment agent, the application amount of chemical pesticides is reduced, poison to soil and plants is reduced, all the components cooperate with one another to achieve a synergistic effect, and growth and propagation of pathogenic bacteria of the root rot of zelkova schneideriana can be effectively inhibited.

The invention discloses a chemical fertilizer for zelkova schneideriana and a preparation method thereof. The chemical fertilizer is prepared from the following constituents in parts by weight: 15-17 parts of a nitrogen fertilizer, 8-12 parts of a phosphate fertilizer, 20-24 parts of a potassium fertilizer, 50-70 parts of cow dung, 40-60 parts of sheep manure, 20-40 parts of apple powder, 10-20 parts of coal gangue, 20-30 parts of decomposed coal, 8-10 parts of humic acid, 5-7 parts of K7 rare earth, 2-4 parts of leaves of camphor tree, and 120-140 parts of water. The chemical fertilizer disclosed by the invention is scientific and reasonable in formula, low in cost, environment-friendly in materials, easy to degrade after use, free of residue and the like.

The inventin belongs to the field of agriculture and forestry and provides a preparation method for a compound preparation for promoting grafting survival of elms and the zelkova schneideriana. The elms serve as scions, the zelkova schneideriana serves as rootstocks, and the survival rate in medium-degree salt and alkali areas with the dry and cold climate is quite low. The grafting survival rate of the elms and the zelkova schneideriana can be increased through the preparation method. The preparation method is characterzed in that cucumber juice, carrot juice, malonic acid and ethylene glycol monoethyl ether acetate are mixed, and the compound preparation comprises, by weight, 40 parts of cucumber juice, 65 parts of carrot juice, 13 parts of malonic acid and 3 parts of ethylene glycol monoethyl ether acetate.

The invention discloses a preparation method of a waterproof paper fast food box. The preparation method comprises the following steps: stirring carrageenan and anhydrous ethanol, adding a hydrogen peroxide solution, stirring, adjusting the pH value of the system to 8.2-8.8, preserving the temperature, cooling, adjusting the pH value of the system to be neutral, adding styrene under the protectionof nitrogen, stirring, adding dibenzoyl peroxide, stirring, cooling, filtering, washing and drying, so as to obtain a material a; disintegrating fir pulp, mulberry pulp and zelkova schneideriana pulpwith a pulper, pulping with a millstone, adding hydroxyethyl cellulose, xanthan gum and alginic acid into the mixed pulp, and stirring, so as to obtain a material b; uniformly mixing the material b,the material a, sodium carbonate, a stabilizer, a lubricating agent and stone powder, and moulding, so as to obtain the waterproof paper fast food box. The obtained paper fast food box is extremely high in tensile strength, and the smoothness and the waterproofness of the fast food box can be obviously improved; and in addition, the uniformity of a paper surface and the brightness of the color canbe improved, and the fast food box is safe and environmentally friendly.

A large seedling cultivation method for zelkova schneideriana comprises the first step of density control, the second step of rod binding, the third step of pruning, the fourth step of trunk pulling and the fifth step of scratching. The zelkova schneideriana seedling distance is reasonably controlled by controlling the density at first, it is ensured that zelkova schneideriana seedlings obtain enough sunlight and nutrient, and therefore the zelkova schneideriana seedlings healthily grow. Due to the fact that the zelkova schneideriana seedlings are likely to be bent, rod binding is a simple method for correction, and the zelkova schneideriana seedlings are bound with bamboo rods to ensure that the zelkova schneideriana seedlings can vertically grow.

The invention discloses a plant arrangement device of a road green belt in the southwest region. A plant growth blanket is involved, and provided with a plant growth frame, the upper end of the plantgrowth frame is provided with fixing screws for fixing the plant growth blanket and a soil layer, the plant growth frame is internally provided with aiphyllium tree species including cinnamomum camphora and ligustrum lucidum Ait, deciduous tree species including ginkgo biloba, zelkova schneideriana and prunus cerasifera, evergreen shrub species including osmanthus fragrans and nerium oleander, deciduous shrub species including hibiscus syriacus, cercis chinensis, amygdalus persica and rosa multiflora and lawns including manilagrass. The device has the high-efficiency functions of noise reduction and dust reduction, good noise reduction can be conducted on a zone with insufficient or tension road greening belt width due to the limitation of the geographical location or the surrounding environment, the environment is beautified, planting and maintenance are facilitated, and the application range is wide.

The invention provides a method for repairing copper and zinc compound contaminated soil in urban relocation land by using woody plants. One or two or more of poplar, camphor trees, Magnolia grandiflora, Magnolia denudata, ligustrum lucidum Ait, Broussonetia papyrifera, Lagerstroemia indica, Prunus Cerasifera, pomegranate trees, hackberry, mulberry trees, plane trees, Zelkova schneideriana, papayatrees, Cerasus yedoensis, Chinese juniper, cedar and elm are adopted, and are planted in the copper and zinc compound contaminated soil. The invention also provides a fertilizer. Pruned branches andleaves or natural fallen leaves of the trees planted in the copper and zinc compound contaminated soil are collected, air-dried and burned, ash obtained after the burning is dissolved in water, the obtained solution is filtered, and the filtered solution is used as the liquid fertilizer after being diluted. The plants are planted in the copper and zinc combined contaminated soil to purify the soil. The pruned branches and leaves or natural fallen leaves of the planted and survived trees are burned and then dissolved in the water, and the obtained solution is used for supplementing inorganic nutrients in the growth and development process of the plants as the liquid fertilizer, so the method is environmentally friendly and economical.

The invention discloses a fertilizer for zelkova schneideriana. The fertilizer comprises components in parts by mass as follows: 15-19 parts of a nitrogen fertilizer, 10-12 parts of a phosphatic fertilizer, 3-5 parts of pine needle meal, 22-24 parts of a potassium fertilizer, 5-9 parts of K7 rare earth, 60-70 parts of composted cow dung, 9-11 parts of kelp meal, 40-50 parts of composted sheep manure, 20-40 parts of slaked lime, 30-40 parts of apple powder, 10-30 parts of soybean curd residues and 130-140 parts of water. The formula of the fertilizer is scientific and reasonable, the cost is low, the raw materials are environment-friendly, and the fertilizer has the characteristics of easiness in degradation after use, no residues and the like.

The invention belongs to the technical field of plant cutting, and discloses a process for breeding zelkova schneideriana by hardwood cutting. The process includes the steps: selecting late March to early April as cutting time; selecting thick and strong fork branches and side branches on five-year-old seed trees as cuttings; placing the cuttings into plant hormones to soak the cuttings for 6-9 hours; inserting the cuttings into rooting media, and thoroughly watering on the media; arranging a cutting bed in a greenhouse; moving the cutting bed to outdoor space after cutting is implemented forone month to harden seedlings for two months, and inspecting rooting conditions. The lengths of cut cuttings are 12-15cm, the thicknesses of the cut cuttings are 0.5-1.0cm, each cutting at least contains more than two strong and full axillary buds, lower cutting openings of the cut cuttings are trimmed into 45-degree inclined cutting openings, half of the cut cuttings are inserted into the rootingmedia, the temperature in the greenhouse is 25-30 DEG C, illumination time is 6-8h, and the illumination intensity is 8000-10000Lux. By the aid of the process for breeding the zelkova schneideriana by hardwood cutting in spring, material sources are wide, and rooting rate is high.

The invention discloses a hard branch cuttage method of zelkova schneideriana by adopting an electrically-heated bed. The electrically-heated temperature control cuttage bed is constructed by adoptingmaterials such as a thermal insulation material, river sand, geothermal electric wires and a temperature controller; 2-3 weeks before germination of the zelkova schneideriana in spring, annual cuttage branches are collected and stored in a shady low-temperature place, and the water content of the cuttage branches is adjusted; cuttage slips with the length of 12-15 centimeters and the diameter of0.8 centimeter or above are cut off, the upper ends of the cuttage slips are obliquely cut, the lower ends of the cuttage slips are cut flat, the cuttage slips are bundled into small bundles, and thecuttage slips are immersed in composite rooting liquid with 50-75 ppm NAA and 100-150 ppm IBA for 6-14 hours; during cuttage, the cuttage slip bundles are arrayed in the cuttage bed, the portions among the cuttage slip bundles are filled with the wet river sand; during management after cuttage, the temperature of the electrically-heated bed is controlled at 24 DEG C-28 DEG C, the relative humidityis kept at 70%-85%, and carbendazim pesticide liquid is sprayed once a week. According to the hard branch cuttage method of the zelkova schneideriana by adopting the electrically-heated bed, electricheating for temperature increasing is utilized for increasing the rooting speed of the cuttage slips of the hard branches of the zelkova schneideriana, the rooting rate and the survival rate are increased, and a new technical way is provided for rapid propagation and seedling cultivation of the zelkova schneideriana.

The invention discloses a seedling culturing method capable of preventing the trunk of zelkova schneideriana from bending. The method comprises the steps of selecting fertile sandy loam on flat terrain where irrigation and drainage can be conducted conveniently from late February to early March, ploughing the soil for curing before winter comes, applying sufficient base fertilizer and compound fertilizer, applying pesticide to prevent insect attack, conducting even ploughing, conducting leveling and fine raking, making a seedbed with a width of 1.2 m and a length determined according to the length of land, making 25-35 cm wide and 25-35 cm deep planting furrows in the seedbed, digging out sowing seedlings of the last year from a garden, cutting off the parts 3-5 cm above the juncture between roots and stems, planting the seedlings with the planting space of 10*20 cm, pouring sufficient root water after planting, and conducting topdressing regularly (applying 2% urea aqueous solution every 15 days) in the growing period from June to August during plant height growth.

The invention belongs to the technical field of fuels, and concretely relates to a biomass particle with a high combustion rate. The biomass particle comprises, by weight, 19-47 parts of peanut shellpowder, 33-55 parts of sesame straw powder, 5-10 parts of poplar tree branches and trunk, 5-10 parts of pagoda tree branches and trunk, 3-9 parts of Zelkova schneideriana branches and trunk, 5-8 partsof pine trunks, 2-8 parts of robur branches and trunk, 5-10 parts of willow branches and trunk, 12-32 parts of anthracite, 20-30 parts of slime, 15-25 parts of animal fats, 5-15 parts of food wastes,5-11 parts of sunflower stalk powder, 20-30 parts of rice husk powder, 10-15 parts of pig manure and 5-10 parts of peat.

The invention discloses a rapid propagation method of tissue culture for zelkova schneideriana hand.-Mazz. According to the method, selecting stem segments with buds as explants, and appropriate culture mediums for each stage for the tissue culture, a large number of nursery stocks, which maintain the qualified characteristics of a mother stock, can be obtained; and the genotype and all the qualified characteristics of an original plant can be 100% maintained, thereby greatly improving the propagation coefficient.